Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
suyuti:9a –

The last statement of Abraham when he was thrown into the fire was:--"Allah is Sufficient for us and He is the Best Disposer (of affairs for us)." (3.173) (Using translation from Bukhārī 4564)   

السيوطي:٩a –

"آخِرُ ما تكلَّم به إبراهيمُ حينَ أُلْقِىَ في النارِ: حسبىَ اللهُ ونعم الوكيلُ".  

[خط] الخطيب عن أبى هريرة، وقال: غريب، والمحفوظ عن ابن عباس موقوف. رواه ظ

See similar narrations below:

Collected by Bukhārī
bukhari:4564 – Mālik b. Ismāʿīl > Isrāʾīl > Abū Ḥaṣīn > Abū al-Ḍuḥá > Ibn ʿAbbās

The last statement of Abraham when he was thrown into the fire was:--"Allah is Sufficient for us and He is the Best Disposer (of affairs for us)." (3.173)  

البخاري:٤٥٦٤ – حَدَّثَنَا مَالِكُ بْنُ إِسْمَاعِيلَ حَدَّثَنَا إِسْرَائِيلُ عَنْ أَبِي حَصِينٍ عَنْ أَبِي الضُّحَى عَنِ ابْنِ عَبَّاسٍ قَالَ

كَانَ آخِرَ قَوْلِ إِبْرَاهِيمَ حِينَ أُلْقِيَ فِي النَّارِ حَسْبِيَ اللَّهُ وَنِعْمَ الْوَكِيلُ